摘要：【中文】本发明实施例提供了一种显示面板及其指纹识别方法、显示装置，当手指与显示面板的接触区域在行方向上覆盖的指纹识别区域的最大数量为K时，显示面板中沿行方向，每相邻K列指纹识别区域中，各列指纹识别区域的各列指纹识别单元电连接的各指纹信号读取线分别与不同的多路选择器电路电连接；每个指纹识别区域的不同列指纹识别单元电连接的指纹信号读取线与不同多路选择器电路电连接；多路选择器电路用于分时控制与其电连接的多个所指纹信号读取线与指纹识别驱动芯片导通；其中，K≥2。本发明实施例具有较高的指纹识别效率和指纹识别准确度。 【EN】The embodiment of the invention provides a display panel, a fingerprint identification method thereof and a display device, wherein when the maximum number of fingerprint identification areas covered by a contact area of a finger and the display panel in the row direction is K, every adjacent K rows of fingerprint identification areas in the display panel along the row direction are electrically connected with each fingerprint signal reading line electrically connected with each row of fingerprint identification units in each row of fingerprint identification areas respectively and electrically connected with different multi-way selector circuits; fingerprint signal reading lines electrically connected with the different columns of fingerprint identification units in each fingerprint identification area are electrically connected with different multiplexer circuits; the multi-path selector circuit is used for controlling the conduction of a plurality of fingerprint signal reading lines electrically connected with the multi-path selector circuit and the fingerprint identification driving chip in a time-sharing manner; wherein K is more than or equal to 2. The embodiment of the invention has higher fingerprint identification efficiency and fingerprint identification accuracy.

摘要：【中文】本发明公开了一种以安山岩尾矿泥与飞灰为主要原料的泡沫陶瓷，其特征在于泡沫陶瓷的质量组成百分数为：安山岩尾矿泥50～90％、飞灰8～48％以及碳化硅2～5％。其制备方法包括如下步骤：S1，粉料制备；S2，坯体成型及干燥；S3，样品烧结。本发明制得的泡沫陶瓷，其烧成周期短、配方及制备工艺简单、设备要求低，所制备的泡沫陶瓷性能优良。固废的使用量高达98％，有效降低生产成本，实现固废安山岩尾矿泥与危废飞灰的资源化利用，减少尾矿对土地的占用，缓解其引发的环境问题。 【EN】The invention discloses a foamed ceramic with andesite tailing slurry and fly ash as main raw materials, which is characterized by comprising the following components in percentage by mass: 50-90% of andesite tailing slurry, 8-48% of fly ash and 2-5% of silicon carbide. The preparation method comprises the following steps: s1, preparing powder; s2, forming and drying the blank; and S3, sintering the sample. The foamed ceramic prepared by the invention has the advantages of short firing period, simple formula and preparation process, low equipment requirement and excellent performance. The using amount of the solid waste reaches 98 percent, the production cost is effectively reduced, the resource utilization of the solid waste andesite tailing mud and the hazardous waste fly ash is realized, the occupation of the tailings on the land is reduced, and the environmental problem caused by the tailings is relieved.

摘要：【中文】本发明实施例提供一种显示面板及其驱动方法和显示装置。显示面板的显示区包括感光单元阵列，感光单元阵列包括感光单元行和感光单元列；光感信号检测电路包括多条检测扫描线和多条检测数据线，一个感光单元行与一条检测扫描线电连接，一个感光单元列与一条检测数据线电连接；还包括驱动芯片，驱动芯片包括多个引脚，一条检测数据线与一个引脚电连接；光感信号检测电路的工作阶段包括指纹识别阶段和触控检测阶段，在指纹识别阶段，检测数据线用于向驱动芯片输出指纹检测信号；在触控检测阶段，检测数据线用于向驱动芯片输出触控位置信号。本发明能够减少了驱动芯片的引脚个数，提高绑定工艺的良率。 【EN】The embodiment of the invention provides a display panel, a driving method thereof and a display device. The display area of the display panel comprises a photosensitive unit array, and the photosensitive unit array comprises photosensitive unit rows and photosensitive unit columns; the light sensing signal detection circuit comprises a plurality of detection scanning lines and a plurality of detection data lines, a light sensing unit row is electrically connected with one detection scanning line, and a light sensing unit column is electrically connected with one detection data line; the driving chip comprises a plurality of pins, and one detection data line is electrically connected with one pin; the working stage of the light sensation signal detection circuit comprises a fingerprint identification stage and a touch detection stage, and in the fingerprint identification stage, the detection data line is used for outputting a fingerprint detection signal to the driving chip; in the touch detection stage, the detection data line is used for outputting a touch position signal to the driving chip. The invention can reduce the number of pins of the drive chip and improve the yield of the binding process.

摘要：【中文】本发明公开了一种金属除油剂及其制备方法，涉及金属除油技术领域。该除油剂其为水基弱碱性清洗剂，包括阴离子表面活性剂、非离子表面活性剂、助剂以及溶剂；助剂至少包括渗透除油剂和溶解除油剂，且渗透除油剂用于与阴离子表面活性剂以及非离子表面活性剂配合以增加其活性成分的渗透能力，以使得表面活性剂的分子在油水界面紧密排列，溶解除油剂用于与阴离子表面活性剂以及非离子表面活性剂配合以增加其活性成分的溶解能力。该除油剂通过阴离子表面活性剂和非离子表面活性剂合理配比后与渗透除油剂和溶解除油剂等助剂复配后形成水基弱碱性清洗剂，其不含磷低氮，环保长效，可在低温环境下进行清洗除油作业，且可有效地提高清洗除油效果。 【EN】The invention discloses a metal degreasing agent and a preparation method thereof, and relates to the technical field of metal degreasing. The oil removing agent is a water-based alkalescent cleaning agent and comprises an anionic surfactant, a nonionic surfactant, an auxiliary agent and a solvent; the auxiliary agent at least comprises a penetration oil removing agent and a dissolution oil removing agent, wherein the penetration oil removing agent is used for being matched with an anionic surfactant and a nonionic surfactant to increase the penetration capacity of active ingredients of the penetration oil removing agent, so that molecules of the surfactant are closely arranged at an oil-water interface, and the dissolution oil removing agent is used for being matched with the anionic surfactant and the nonionic surfactant to increase the dissolution capacity of the active ingredients of the dissolution oil removing agent. The oil removing agent is compounded with auxiliary agents such as a penetration oil removing agent, a dissolution oil removing agent and the like after being reasonably matched by an anionic surfactant and a nonionic surfactant to form a water-based alkalescent cleaning agent, does not contain phosphorus and low nitrogen, is environment-friendly and long-acting, can be used for cleaning and removing oil in a low-temperature environment, and can effectively improve the cleaning and oil removing effects.

摘要：【中文】本发明就是提供一种从锂矿石或锂云母原料中提取锂的方法，本发明公开的技术方法，以低品位的锂矿石为原料，锂矿粉无需烘干水分和辅料混合好后，压成各种形状的胚料，采用隧道窑焙烧，将挤压成型的物料放置于隧道窑物料车内，物料车连续穿行已加温的隧道窑进行焙烧，从而得到较好质量的焙烧料，进行提锂且粉尘量极少，进而解决了回转窑结窑现象，并提高了锂的回收率高，工艺稳定，易操作、易控制，有利于实现工业化生产。 【EN】The invention provides a method for extracting lithium from lithium ore or lepidolite raw materials, which comprises the steps of taking low-grade lithium ore as a raw material, pressing lithium ore powder into blanks in various shapes after drying moisture and auxiliary materials are well mixed, roasting by using a tunnel kiln, placing extruded materials into a tunnel kiln material trolley, and continuously passing the material trolley through a heated tunnel kiln for roasting, thereby obtaining roasted materials with better quality, extracting lithium and having little dust, further solving the kiln caking phenomenon of a rotary kiln, improving the recovery rate of lithium, having stable process and easy operation and control and being beneficial to realizing industrial production.

摘要：【中文】本发明就是要提供一种锂云母原料堆浸快速提取工业碳酸锂的方法，公开的技术方法，以锂含量较高的锂矿石的锂云母精矿粉为原料，包括制锂云母精矿粉、制锂云母精矿粉堆、喷酸制堆浸液、堆浸液富集制锂萃取液等，可直接在选矿厂采用堆浸—萃取‑沉锂的办法，制备碳酸锂的新工艺，不仅大幅度的减少投资，同时降低生产成本，特别是降低了锂云母精矿粉的运输成本，并提高了锂的回收率高，工艺稳定，易操作、易控制，有利于实现工业化生产。 【EN】The invention aims to provide a method for rapidly extracting industrial lithium carbonate by stock leaching of lepidolite raw materials, which discloses a technical method, takes lepidolite concentrate powder of lithium ore with higher lithium content as a raw material, comprises the steps of preparing the lepidolite concentrate powder, preparing a lepidolite concentrate powder pile, spraying acid to prepare stock leaching solution, enriching the stock leaching solution to prepare lithium extraction liquid and the like, and can directly adopt a method of stock leaching, extraction and lithium precipitation in a dressing plant to prepare a new process of lithium carbonate.

摘要：【中文】本发明就是要提供一种利用余热烘干锂云母提取锂盐的方法，是以锂云母为原料，采用回转窑焙烧锂云母，包括原料粉碎、余热烘干、回转窑内焙烧、浸出、过滤、浓缩、沉锂等工艺，其充分利用回转窑的余热，对烘干锂云母与盐及其他辅料混合后其水分的含量为4—5%的有利于与酸混合均匀，且不易扬尘；充分利用回转窑余热而不用额外燃料烘锂云母，可节约20—30%的能耗；铷、铯回收率高可达现有工艺的5‑6倍；从而提高了锂云母的综合开发利用率。 【EN】The invention provides a method for drying lepidolite by using waste heat to extract lithium salt, which takes the lepidolite as a raw material and adopts a rotary kiln to roast the lepidolite, and comprises the processes of crushing the raw material, drying by using the waste heat, roasting in the rotary kiln, leaching, filtering, concentrating, precipitating lithium and the like, wherein the waste heat of the rotary kiln is fully utilized, and the dried lepidolite is mixed with salt and other auxiliary materials to ensure that the dried lepidolite has the water content of 4-5 percent, is favorable for being uniformly mixed with acid and is not easy to raise dust; the waste heat of the rotary kiln is fully utilized without baking the lepidolite by using extra fuel, so that the energy consumption can be saved by 20-30%; the recovery rate of rubidium and cesium can reach 5-6 times of that of the prior art; thereby improving the comprehensive development and utilization rate of the lepidolite.

摘要：【中文】本发明提供一种以锂云母为原料的一步法制备电池级碳酸锂的方法，是以锂云母为原料和辅料混合后，采用将原料和辅料混合后于回转窑装置中进行焙烧的方法进行提取锂，包括破碎制锂云母精矿粉，混合配料、焙烧、浸出提锂、除杂、沉锂制电池级碳酸锂等工艺，不经过生产工业级的碳酸锂的工序，而是直接沉淀制备出电池级碳酸锂产品。且使用氯盐系焙烧提锂工艺，对环境影响更小，并提高了锂的回收率高，工艺稳定，易操作，有利于实现工业化生产。 【EN】The invention provides a method for preparing battery-grade lithium carbonate by using lepidolite as a raw material through a one-step method, which is characterized in that the lepidolite is used as the raw material and auxiliary materials to be mixed, and then the raw material and the auxiliary materials are mixed and roasted in a rotary kiln device to extract lithium. And the process for extracting lithium by using chloride roasting has less influence on the environment, improves the recovery rate of lithium, has stable process and easy operation, and is beneficial to realizing industrial production.

摘要：【中文】本发明就是要提供一种锂云母压制成型焙烧提锂方法及装置，其采用全自动压机装置和辊道窑炉装置，使锂云母原料等物料形成大块的薄板材形状，再采用静态焙烧工艺，通过配套的自动平板输送带，将大块锂云母薄板料输送进隧道窑焙烧。该焙烧装置及工艺方法，工艺简单，操作便捷，利于自动化和产业化：从而从工艺上有效的防止锂云母焙烧时的常规生产的“堵口”，“结窑”现象；实现锂云母提锂的高效率、低成本、高收得率，且将锂云母复杂工艺简单化，易于规模化连续生产。 【EN】The invention aims to provide a lepidolite pressing forming roasting lithium extraction method and a device, which adopt a full-automatic press device and a roller kiln device to enable materials such as lepidolite raw materials and the like to form a massive sheet material shape, and then adopt a static roasting process to convey the massive lepidolite sheet material into a tunnel kiln for roasting through a matched automatic flat conveyer belt. The roasting device and the process method have the advantages of simple process, convenient operation and contribution to automation and industrialization: thereby effectively preventing the phenomena of 'blocking' and 'kiln-forming' in the conventional production during the calcination of the lepidolite in the process; the method realizes high efficiency, low cost and high yield of extracting lithium from lepidolite, simplifies the complex process of the lepidolite and is easy for large-scale continuous production.